﻿namespace ConsoleApplication1
{
    internal class Program
    {
        public static void Main(string[] args)
        {
            System.Console.WriteLine("HelloWorld");
            System.Console.WriteLine("Checkout");
            Program.PrintName();
        }
        public static void PrintName()
        {
            System.Console.WriteLine("我的名叫yushanhan");
        }
    }
}